Health care reform: historical and current perspectives.
D003695:Delivery of Health Care / Q000266:history* / Q000639:trends; D005544:Forecasting; D018166:Health Care Reform / Q000266:history* / Q000639:trends; D049673:History, 20th Century; D006801:Humans; D009310:National Health Insurance, United States / Q000266:history* / Q000639:trends; D011570:Psychiatry / Q000266:history* / Q000639:trends; D014481:United States